[time-nuts] Using a frequency synthesizer replacement for motherboard oscillator

[Jim Welch]

OK, I'll bite.  Why?

Jim

>>>I've never done it using to the RTC crystal, but I  do it quite
frequently in my Day Job to >>>Ethernet controllers on those same pc mother
boards.
>>>
>>>-Eric

On Fri, Nov 30, 2012 at 4:10 PM, Sarah White <kuzetsa at gmail.com> wrote:

> On 11/30/2012 6:30 PM, Eric Garner wrote:
> > the actual RTC on modern (Intel based) PC's is driven from a 
> > standard
> > 32,768 Hz crystal attached to the PCH. some of them are in 
> > incredibly
> small
> > packages now instead of the old tuning fork-in-a-can ones. peeling 
> > off
> the
> > load caps and crystal from the board would allow you plenty of 
> > spaces to tack down a lead from an external synthesizer.
>
> Yeah, the one on the (Soekis) example was pretty small. So far none of 
> of the replies have indicated that anyone on here has experience 
> beyond an embedded system.
>
> Mostly I started this thread because there have been a few with people 
> discussing implementing NTP on embedded microcontrollers, arduino, etc.
> and I was thinking of doing it from the other side (turning a nice-ish 
> server into a rock-solid timekeeper)
>
> Thanks so far everyone. Really impressed that I already managed to get 
> 4x replies so quickly :)
>
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com To unsubscribe, go to 
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>



-- 
--Eric
_________________________________________
Eric Garner
_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.